From: Andrew Cooper Date: Thu, 27 Jan 2022 21:28:48 +0000 (+0000) Subject: x86/cpuid: Advertise SSB_NO to guests by default X-Git-Tag: archive/raspbian/4.17.0-1+rpi1^2~33^2~1083 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=15b7611efd497c4b65f350483857082cb70fc348;p=xen.git x86/cpuid: Advertise SSB_NO to guests by default This is a statement of hardware behaviour, and not related to controls for the guest kernel to use. Pass it straight through from hardware. Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- diff --git a/xen/include/public/arch-x86/cpufeatureset.h b/xen/include/public/arch-x86/cpufeatureset.h index 6e44148a09..fd8ab25723 100644 --- a/xen/include/public/arch-x86/cpufeatureset.h +++ b/xen/include/public/arch-x86/cpufeatureset.h @@ -266,7 +266,7 @@ XEN_CPUFEATURE(NO_LMSL, 8*32+20) /*S EFER.LMSLE no longer supported. */ XEN_CPUFEATURE(AMD_PPIN, 8*32+23) /* Protected Processor Inventory Number */ XEN_CPUFEATURE(AMD_SSBD, 8*32+24) /* MSR_SPEC_CTRL.SSBD available */ XEN_CPUFEATURE(VIRT_SSBD, 8*32+25) /* MSR_VIRT_SPEC_CTRL.SSBD */ -XEN_CPUFEATURE(SSB_NO, 8*32+26) /* Hardware not vulnerable to SSB */ +XEN_CPUFEATURE(SSB_NO, 8*32+26) /*A Hardware not vulnerable to SSB */ XEN_CPUFEATURE(PSFD, 8*32+28) /* MSR_SPEC_CTRL.PSFD */ /* Intel-defined CPU features, CPUID level 0x00000007:0.edx, word 9 */